E1과 E2 외부경로와 AS내의 다른 Area경로(O IA) 대신 0.0.0.0/0 을 서비스 한다

셋팅

HQ_SE_Core_R2(config-router)#area 2 stub no-summary

HQ_SE_3F_L3_1 (config-router)#area 2 stub no-summary

HQ_SE_3F_L3_2 (config-router)#area 2 stub no-summary

적용 전

HQ_SE_3F_L3_2

Gateway of last resort is not set

        192.168.1.0/27 is subnetted, 4 subnets

O IA 192.168.1.0 [110/4] via 192.168.5.98, 00:02:33, FastEthernet0/1

O IA 192.168.1.32 [110/4] via 192.168.5.98, 00:02:33, FastEthernet0/1

O IA 192.168.1.64 [110/3] via 192.168.5.98, 00:02:33, FastEthernet0/1

O IA 192.168.1.96 [110/3] via 192.168.5.98, 00:02:33, FastEthernet0/1

        192.168.2.0/27 is subnetted, 1 subnets

O IA     192.168.2.0 [110/3] via 192.168.5.98, 00:02:23, FastEthernet0/1

O IA 192.168.3.0/24 [110/4] via 192.168.5.98, 00:02:33, FastEthernet0/1

O IA 192.168.4.0/24 [110/3] via 192.168.5.98, 00:02:23, FastEthernet0/1

        192.168.5.0/27 is subnetted, 4 subnets

O          192.168.5.0 [110/3] via 192.168.5.98, 00:02:43, FastEthernet0/1

C          192.168.5.32 is directly connected, Vlan20

O          192.168.5.64 [110/2] via 192.168.5.98, 00:02:43, FastEthernet0/1

C          192.168.5.96 is directly connected, FastEthernet0/1

O IA 192.168.32.0/24 [110/3] via 192.168.5.98, 00:02:33, FastEthernet0/1

O IA 192.168.33.0/24 [110/3] via 192.168.5.98, 00:02:33, FastEthernet0/1

O IA 192.168.34.0/24 [110/2] via 192.168.5.98, 00:02:43, FastEthernet0/1

O IA 192.168.35.0/24 [110/2] via 192.168.5.98, 00:02:43, FastEthernet0/1

적용 후

HQ_SE_3F_L3_2

Gateway of last resort is 192.168.5.98 to network 0.0.0.0

   192.168.5.0/27 is subnetted, 4 subnets

O     192.168.5.0 [110/3] via 192.168.5.98, 00:04:38, FastEthernet0/1

C     192.168.5.32 is directly connected, Vlan20

O     192.168.5.64 [110/2] via 192.168.5.98, 00:04:38, FastEthernet0/1

C     192.168.5.96 is directly connected, FastEthernet0/1

O*IA 0.0.0.0/0 [110/2] via 192.168.5.98, 00:04:38, FastEthernet0/1

 Priority 을 이용해 Root Bridge, Root Port, Altn Port, Desg Port 를 수정 가능하다.

셋팅

HQ_SE_3F_SW1(config)#spanning-tree vlan 10 priority 4096

HQ_SE_3F_SW1(config)#spanning-tree vlan 20 priority 8192 

HQ_SE_3F_SW2(config)#spanning-tree vlan 20 priority 4096

HQ_SE_3F_SW2(config)#spanning-tree vlan 10 priority 8192

HQ_SE_3F_SW3#show spanning-tree vlan 10

VLAN0010

Spanning tree enabled protocol ieee

Root ID Priority 4106

Address 0090.0C5E.97D3

Cost 38

Port 1(FastEthernet0/1)

Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

Bridge ID Priority 32778 (priority 32768 sys-id-ext 10)

Address 000B.BEB0.C1DB

Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

Aging Time 20

Interface Role Sts Cost Prio.Nbr Type

---------------- ---- --- --------- -------- --------------------------------

Fa0/1 Root FWD 19 128.1 P2p

Fa0/2 Altn BLK 19 128.2 P2p

HQ_SE_3F_SW4#show spanning-tree vlan 20

VLAN0020

Spanning tree enabled protocol ieee

Root ID Priority 4116

Address 0010.11DA.A531

Cost 38

Port 1(FastEthernet0/1)

Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

Bridge ID Priority 32788 (priority 32768 sys-id-ext 20)

Address 0030.F2D6.6C80

Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

Aging Time 20

Interface Role Sts Cost Prio.Nbr Type

---------------- ---- --- --------- -------- --------------------------------

Fa0/1 Root FWD 19 128.1 P2p

Fa0/2 Altn BLK 19 128.2 P2p

네트워크 정보를 요약하여 Routing 테이블에서 다루어야할 정보량을 줄이기

셋팅

HQ_SE_Core_R1#area 1 range 192.168.1.0 255.255.255.128

HQ_SE_Core_R2#area 2 range 192.168.5.0 255.255.255.128

설정 전

HQ_SE_2F_L3_1

192.168.1.0/27 is subnetted, 4 subnets

O IA 192.168.1.0 [110/3] via 192.168.32.1, 00:11:34, FastEthernet0/6

O IA 192.168.1.32 [110/3] via 192.168.32.1, 00:11:34, FastEthernet0/6

O IA 192.168.1.64 [110/2] via 192.168.32.1, 00:11:34, FastEthernet0/6

O IA 192.168.1.96 [110/2] via 192.168.32.1, 00:11:34, FastEthernet0/6

192.168.2.0/27 is subnetted, 1 subnets

C 192.168.2.0 is directly connected, Vlan10

C 192.168.3.0/24 is directly connected, Vlan20

O IA 192.168.4.0/24 [110/2] via 192.168.33.2, 00:11:34, Port-channel10

192.168.5.0/27 is subnetted, 4 subnets

O IA 192.168.5.0 [110/4] via 192.168.32.1, 00:11:34, FastEthernet0/6

                      [110/4] via 192.168.33.2, 00:11:34, Port-channel10

O IA 192.168.5.32 [110/4] via 192.168.32.1, 00:11:34, FastEthernet0/6

                       [110/4] via 192.168.33.2, 00:11:34, Port-channel10

O IA 192.168.5.64 [110/3] via 192.168.32.1, 00:11:34, FastEthernet0/6

                       [110/3] via 192.168.33.2, 00:11:34, Port-channel10

O IA 192.168.5.96 [110/3] via 192.168.32.1, 00:11:34, FastEthernet0/6

                       [110/3] via 192.168.33.2, 00:11:34, Port-channel10

C 192.168.32.0/24 is directly connected, FastEthernet0/6

C 192.168.33.0/24 is directly connected, Port-channel10

O 192.168.34.0/24 [110/2] via 192.168.32.1, 00:11:34, FastEthernet0/6

O 192.168.35.0/24 [110/2] via 192.168.33.2, 00:11:34, Port-channel10

설정후

HQ_SE_2F_L3_1

192.168.1.0/27 is subnetted, 1 subnets

O IA 192.168.1.0 [110/3] via 192.168.32.1, 00:05:18, FastEthernet0/6

192.168.2.0/27 is subnetted, 1 subnets

C 192.168.2.0 is directly connected, Vlan10

C 192.168.3.0/24 is directly connected, Vlan20

O 192.168.4.0/24 [110/2] via 192.168.2.29, 00:05:38, Vlan10

192.168.5.0/25 is subnetted, 1 subnets

O IA 192.168.5.0 [110/3] via 192.168.32.1, 00:05:28, FastEthernet0/6

                      [110/3] via 192.168.33.2, 00:05:28, Port-channel10

C 192.168.32.0/24 is directly connected, FastEthernet0/6

C 192.168.33.0/24 is directly connected, Port-channel10

O 192.168.34.0/24 [110/2] via 192.168.32.1, 00:06:03, FastEthernet0/6

O 192.168.35.0/24 [110/2] via 192.168.33.2, 00:06:03, Port-channel10